Add a Mojo EDK for Chrome that uses one OS pipe per message pipe.

content/browser/browser_child_process_host_impl.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/browser/browser_child_process_host_impl.h"
 
 #include "base/base_switches.h"
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/debug/dump_without_crashing.h"
@@ skipping 358 matching lines @@
           "465841 BrowserChildProcessHostImpl::OnProcessLaunched"));
   const base::Process& process = child_process_->GetProcess();
   DCHECK(process.IsValid());
 
 #if defined(OS_WIN)
   // Start a WaitableEventWatcher that will invoke OnProcessExitedEarly if the
   // child process exits. This watcher is stopped once the IPC channel is
   // connected and the exit of the child process is detecter by an error on the
   // IPC channel thereafter.
   DCHECK(!early_exit_watcher_.GetWatchedObject());
-  early_exit_watcher_.StartWatching(process.Handle(), this);
+  early_exit_watcher_.StartWatching(process.Handle(), this, false);
 #endif
 
   // TODO(rvargas) crbug.com/417532: Don't store a handle.
   data_.handle = process.Handle();
   delegate_->OnProcessLaunched();
 }
 
 #if defined(OS_WIN)
 
 void BrowserChildProcessHostImpl::OnObjectSignaled(HANDLE object) {
   OnChildDisconnected();
 }
 
 #endif
 
 }  // namespace content